Seller notes

BELT HALF-PULLEY VARIATOR KITBGM VESPA GTS 250 300 Super Sport HPE (2005/2024) The BGM Vario uses a shorter V-belt ( kevlar reinforced) than is usual for Quasar engines. This allows the BGM to run a much wider range of gears without the V-belt brushing the casing. As a result, the BGM Vario can have a much higher gear ratio without having to increase the engine speed. A huge advantage, especially when the engine is further tuned. With the standard variator, the engine enters the limiter much ear...

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